1202214144 has 36 divisors (see below), whose sum is σ = 3199644896. Its totient is φ = 400737792.

The previous prime is 1202214107. The next prime is 1202214157. The reversal of 1202214144 is 4414122021.

It is a self number, because there is not a number n which added to its sum of digits gives 1202214144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781924 + ... + 783459.

Almost surely, 2^1202214144 is an apocalyptic number.

It is an amenable number.

1202214144 is an abundant number, since it is smaller than the sum of its proper divisors (1997430752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202214144 is an equidigital number, since it uses as much as digits as its factorization.

1202214144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565402 (or 1565388 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1202214144 is about 34672.9598390446. The cubic root of 1202214144 is about 1063.3117451442.

Adding to 1202214144 its reverse (4414122021), we get a palindrome (5616336165).

The spelling of 1202214144 in words is "one billion, two hundred two million, two hundred fourteen thousand, one hundred forty-four".